Anritsu 839U242138 Printed Circuit Board Assembly is an official Anritsu replacement PCB module, identified by part number 839U242138, designed for installation inside Anritsu test and measurement equipment. The term "Printed Circuit Board Assembly" indicates a plug-in board that forms part of the instrument's internal electronics, with the 839U242138 code used in spare parts catalogs and service documentation to specify this exact board. Because exact fit and electrical interfaces depend on the instrument model and chassis, verify compatibility with your device by consulting Anritsu's spare parts catalogs or the service manual for the corresponding chassis.
